Major changes seem to be in the works at KNIX-FM (102.5), including the apparent exit of popular morning-show personality Matt McAllister.

Fans started getting worried around Christmas, when McAllister’s official Facebook page went offline and his Instagram screen name changed from a KNIX-branded account to JustMcMatt. McAllister indicated that something was up, but didn’t get specific until Friday.

McAllister, who joined the station in 2008, posted Friday on his Twitter account: “Unfortunately the rumors are true. Producer Joe (Wallace) and I were let go on 12/21 and will no longer be a part of the morning show.”

Unfortunately the rumors are true. Producer Joe and I were let go on 12/21 and will no longer be a part of the morning show. @thr33to3

Co-host Campbell has not posted on Twitter since Dec. 12; however, his Twitter handle remains @KNIXBen. McAllister’s screen name has changed from @KNIXMatt to @JustMcMatt. Wallace now uses @thr33to3 instead of @KNIXJoe.

In March, the show added Brooke Hoover to the morning team; later, the show’s branding changed to “Ben, Matt and Brooke.” On Twitter, a listener suggested that had something to do with the change, which McAllister denied.

On Friday, Dec. 30 and Saturday, Dec. 31, Tim Hattrick of Tim and Willy fame appeared during the morning slot. He posted on Facebook. “What the Front Door? Yep- I'm guest DJ-ing on KNIX right now! I can't believe they invited me back and are letting me play all this music.”

Beginning in the mid '90s, Hattrick and his partner, Willy D. Loon, had a wildly successful 10-year run at KNIX-FM sandwiched in between stints at KMLE-FM (107.9). The duo parted ways with KMLE in 2012, then later moved to a podcast edition of their show, which ended in 2014.

In a phone call on Saturday, Hattrick said that he was asked to host the segments because, "during the holidays, it's usually a skeleton crew or a former disc jockey on the air again," he said with a laugh.

He spun records by everyone from Garth Brooks to Eddie Rabbitt during his sets.

"I had a blast and I was honored that they asked me," he said, adding that he has no information about the future of the station.

Kelly Manders, senior director of marketing for IHeartMedia, which owns KNIX, responded via email that "an official press release (will be) out the week of January 9th. We will be back on the air with a morning show in early January." She said she would be unavailable for comment until Jan. 4.

The move seems like a drastic one. McAllister, in particular, is known for candidly sharing details of his life with listeners, including discussing his sobriety in a moving essay, as well as sharing details of his heart surgery. Listeners eagerly followed his engagement and marriage to wife Vanessa, as well as the birth of the couple's son, Jude, in October. In 2014, McAllister was honored by azcentral for his openness on air.

McAllister reassured fans that he won't change that aspect of his personality.

"It was my absolute pleasure getting to share my life with you the last 9 years. And the journey is NOT over!" he wrote.

It was my absolute pleasure getting to share my life with you the last 9 years. And the journey is NOT over! https://t.co/jzKKs5ljWf